6wunderkinder, the company behind the popular Wunderlist to-do app, has just launched a sequel to that fantastic app that works across iPhone, Android, Web, Windows, and Mac platforms and features a refreshed design.

Oscar Wilde said that “To do nothing at all is the most difficult thing in the world.” But for those of us who would love to be doing nothing, there’s 24me, a free new iPhone app that populates your daily to-do list automatically and lets you complete those tasks at the touch of a button.

Is there such a thing as being too organized? A new to-do app called Clear aims to cut down on the amount of time you spend managing to-do lists so that you can actually, well, do things. The app is being demoed for the first time Thursday at the Macworld/iWorld expo in San Francisco.

Is there a business in making mobile to-do lists more collaborative and less headache-inducing? Startup Any.do formally launches Thursday with a free Android application proffering shareable, voice-operated to-do lists, and $1 million in seed funding to find out.